Hollywood director James Cameron dove once before into the depths of the ocean with his Blockbuster movie Titanic . Now he wants to reach the deepest point of the world's oceans — the Mariana Trench. But billionaire Richard Branson is also planning his own expedition into the deep.
Copyright: Deutsche Presse Agentur [The German Press Agency]
If you’d like to watch this and more videos, join our free trial.